"David E. Wheeler" <david(at)kineticode(dot)com> writes:
> 1. Did I neglect to include the documentation patch? I've attached it
> here. It's necessary because of the addition of the new functions.
Maybe it got left out of the later patch iterations? Anyway,
will take care of it.
> 2. Many thanks for switching to using the network_show function
> instead of the SQL-based casting I had. Can you tell me how to go
> about finding such functions?
Er, look into pg_cast and then pg_proc? For instance
select oid::regprocedure, prosrc from pg_proc
where oid in (select castfunc from pg_cast);
regards, tom lane